Analog Devices Inc. ADSP-21062CSZ-160

Product Summary ADSP-21062CSZ-160 SHARC DSP Controller from Analog Devices Inc.

Analog Devices Inc.’s ADSP-21062CSZ-160 is a member of the SHARC® (Super Harvard Architecture Computer) family of digital signal processors (DSPs), specifically engineered for demanding communications, graphics, and imaging applications. This device positions itself as a high-performance, 32-bit floating-point DSP microcomputer, housed in a 240-MQFP exposed pad package, with a robust operating temperature range from -40°C to 100°C. Designed as a system-on-a-chip, it integrates a dual-ported on-chip SRAM and versatile I/O peripheral interfaces, streamlining board-level complexity and facilitating scalable, high-throughput signal processing solutions.

Selection engineers and procurement professionals will find the ADSP-21062CSZ-160 particularly relevant where real-time, parallel computational performance and efficient memory handling are crucial. Its combination of architecture, speed, and flexible interfacing makes it suitable for advanced DSP-centric systems, multiprocessor arrays, and applications requiring sustained, high reliability under a wide temperature range.

Processor Core Highlights of ADSP-21062CSZ-160 SHARC Family

The ADSP-21062CSZ-160 leverages SHARC’s industry-standard core, delivering peak performance of 120 MFLOPS and sustained throughput at 80 MFLOPS with a 25ns instruction cycle time (up to 40 MIPS). Its Super Harvard architecture features four independent buses, enabling concurrent dual data fetches, instruction fetches, and nonintrusive I/O addressing.

Key architectural highlights include:

Parallel Computation Units: Single-cycle execution for ALU, multiplier, and shifter blocks allows multiply and ALU operations to occur simultaneously, critical for real-time DSP algorithms such as FFTs and digital filters.

Program Sequencer and Selective Instruction Cache: Efficient program flow via zero-overhead looping and the ability to fetch instructions and operands in parallel, optimizing core operational speed.

Flexible Data Register File: 32 registers organized as 16 primary and 16 secondary, facilitating high-speed, unconstrained data flow between computation units and memory buses.

IEEE 32-bit floating-point, 40-bit extended floating-point, and 32-bit fixed-point data formats support, providing versatility for various signal processing tasks.

Hardware Circular Buffers: Two data address generators enable efficient implementation of delay lines and buffers commonly used in DSP routines.

Single-cycle loop setup and execution, crucial for performance in iterative routines.

Engineers designing embedded systems or signal processing platforms can exploit these features for applications where throughput, determinism, and parallelism are key requirements.

Memory Organization and Input/Output Structure of ADSP-21062CSZ-160 SHARC Series

The ADSP-21062CSZ-160 features two megabits of dual-ported on-chip SRAM, organized as two blocks of one megabit each, capable of various combinations of data and instruction storage. Its Harvard architecture separates the data and program buses, enabling simultaneous memory transfers and instruction fetches, maximizing cycle efficiency.

Key considerations for memory and I/O architecture:

Dual-Ported SRAM: Allows independent access by the core processor and I/O processor/DMA controller, enabling high-speed transfers—two data for the core and one I/O per cycle.

Flexible Word Sizes: Supports 16-bit, 32-bit, and 48-bit word formats, allowing engineers to optimize on-chip storage according to application data types.

Hardware support for memory bank control, programmable wait states, and page-mode DRAM interfacing are provided, facilitating seamless integration with external memory components.

External port multiplexes internal buses to create a single 32-bit address and 48/32-bit data external system bus, easing PCB design and memory expansion.

Circular buffer and conversion functionalities for 32-bit to 16-bit floating-point, executed in a single instruction, provide further optimization avenues for memory utilization.

For engineers designing high-throughput memory architectures, or needing flexible and efficient interfacing with external RAM or peripherals, these architectural features provide ample scope for application customization and scalability.

Connectivity, Direct Memory Access, and Multi-core Processing in ADSP-21062CSZ-160 SHARC Series

System integration flexibility is a hallmark of the ADSP-21062CSZ-160. It includes multiple interface options and advanced DMA and multiprocessing support, instrumental for modular and scalable system designs.

Interface highlights:

Host Processor Interface: Compatible with 16or 32-bit microprocessor buses, with memory-mapped access and asynchronous transfer capability up to the full core clock speed; includes four DMA channels to facilitate low-overhead code and data transfer.

Serial Ports: Two synchronous serial ports supporting up to 40 Mbps operation, enabling high-speed communication with external serial devices, with independent transmit and receive functions.

Link Ports: Six 4-bit ports supporting point-to-point communications and up to 240 MBps transfer per port, essential for interprocessor communication in multiprocessing arrays.

JTAG Test Access Port: Enables system-level testing and emulation for development, debugging, and deployment scenarios.

Program Booting: Multiple boot options (EEPROM, host, link port), selectable by boot control pins. This provides flexibility for system initialization and standalone operation.

DMA and multiprocessing highlights:

Ten DMA channels supporting transfers between internal memory, external memory, peripherals, host processor, serial ports, and link ports. DMA operations occur independently of the core, allowing background transfers and parallel execution.

Distributed bus arbitration for glueless connection of up to six ADSP-2106x processors and host; selectable priority for bus arbitration and support for vector interrupts.

Broadcast writes and bus lock for atomic operations, vital for implementing shared memory and semaphores in parallel processing environments.

Multiprocessing unified address space facilitates direct access to other processor memories, simplifying complex DSP system design.

These capabilities are vital in real engineering scenarios where parallel processing, rapid data movement, and seamless integration with microprocessors and peripherals are essential for system performance and modular scalability.

Power, Electrical, and Environmental Parameters of ADSP-21062CSZ-160 SHARC Series

The ADSP-21062CSZ-160 is engineered for robust operation and ease of system integration. Key specifications include:

Operating Voltage: 5.0V for both I/O and core, ensuring compatibility with legacy systems and providing stable performance.

Package: 240-lead thermally enhanced MQFP with exposed pad (240-MQFP-EP), optimizing heat dissipation for intensive computational workloads.

Operating Temperature Range: -40°C to 100°C, suitable for industrial and extended-temperature environments.

Moisture Sensitivity Level (MSL): Classified at level 3 (168 hours), indicating standard precautions for board mounting and reflow.

RoHS compliance in all packages, supporting current industry environmental standards.

These characteristics ensure suitability for mission-critical and high-reliability applications, spanning industrial, communications, and imaging domains. Engineers should consider thermal management and voltage compatibility in dense board designs when incorporating this device.

ADSP-21062CSZ-160 SHARC Series Development Kits and Evaluation Resources

Analog Devices supports the ADSP-21062CSZ-160 SHARC Series with comprehensive evaluation and development toolchains, facilitating efficient prototyping and system validation:

CrossCore Embedded Studio and VisualDSP++ IDEs for C/C++ development, code generation, and debugging. CrossCore Embedded Studio, based on the Eclipse framework, integrates support for latest processor families and software add-ins, while VisualDSP++ supports earlier devices.

EZ-KIT Lite Evaluation Boards: Out-of-the-box boards with processor and key peripherals, supporting in-circuit emulation and standalone boot capability.

Board Support Packages and middleware add-ins for real-time operating systems, USB stacks, TCP/IP stacks, and file systems, streamlining bring-up and integration phases.

Emulators and specialized daughter cards (EZ-Extenders) are available for advanced evaluation scenarios, such as audio and video processing applications.

These toolsets guide engineers through program development, hardware integration, and system-level debugging, shortening the design cycle and aiding in robust system implementation.

Alternative or Substitute Models for ADSP-21062CSZ-160 SHARC Series

When considering alternatives or replacements for the ADSP-21062CSZ-160, engineers should note the broader SHARC family, which includes several models tailored to varying application requirements:

ADSP-21060/ADSP-21060L: Featuring four megabits of on-chip SRAM and similar architecture, with both 5V and 3.3V variants (ADSP-21060C, ADSP-21060LC).

ADSP-21062L: Same two megabit SRAM as the ADSP-21062CSZ-160 but operating at 3.3V.

Package variants include plastic ball grid array (PBGA), hermetic CQFP, alongside the MQFP_PQ4.

Selecting a replacement model involves consideration of on-chip memory requirements, operating voltage (5V or 3.3V), and package compatibility. Additionally, review system-specific needs, such as throughput, interface options, and temperature range, to ensure optimal device selection.

Conclusion

The ADSP-21062CSZ-160 SHARC DSP Controller by Analog Devices Inc. stands as a mature, high-performance solution for embedded signal processing applications. Its robust core architecture, versatile memory and I/O configuration, comprehensive interface and DMA support, and reliability-focused electrical and environmental specifications make it a stellar candidate for advanced DSP system designs, especially where parallel processing and scalable multiprocessing are key. Design engineers and procurement teams evaluating signal processing solutions will find the ADSP-21062CSZ-160 SHARC Series—and its alternatives—apt for deploying next-generation communications, imaging, and data-intensive platforms.